Ice-making machine.



No. 861,730 I IIATEDITYED JULY so, 1907. J. B. JOHNSTON.

ICE MAKING MACHINE.

APPLICATION FILED JULY 19, 1906.

2 SHEHTS-SHBET 1.

I WITN38% z [M75910 4'; I I BY A TTORIIEV.

FOL-861F130. V PATEN TED JULY so, 1907.

J. B. JOHNSTON.

ICE MAKING MACHINE.

APPLICATION FILED JULY19.1906.

2 SHEETS-SHEET z W W 8 'M 2? 4% /h.M

A TTURIIEY.

n M M (lelphia Penn new and awful Imp 1 ii inllm -n i purpcsm, a (is 111K for effectu lly caz'ryim uni 'lvhe' defined piil'pmws l.l)( invention. I'

'llxc principal object; oi niy invqncion are ih'b provide :1 machine of the cliaimrticr described, with means to permit of tluforihiitimi oi ('11 like ice in blcckcr (ralcc 10m] and a n mm the presence 0i air'nccdlcs 'tlicrcin in ccnlmdisllnctinn to snow icc, such m herelulum prmlm'rwl b" vacuum: resorted to methods; and acmnd, to so ailing: him

machine as to concentrate the rcl'iigcra'bive ll'fizhi, ment in a vusscl Lida umiu the iiquid to l c quickly formal imo Thu iialul'c and 5! be more full IllKlLlSLUULl l'm Lion taken in. connection will] film acc unpan drawing," fanning part lmi'vof, in which.

I, is a view, illuslr 'ng inclcvaticn an icc -makmg machine, avacuum pumping means for u.\'- hausling the air thcrclrom, and al' mu us for manu ally actuating Lhc same embodying main featnrca of my said invention, and Figs. 2 and 3, are 2'0 lv' ViC'W, illusl azing and in hm'izm tal i, :climz,

m invcnlinn Wifri tiiu iulluwing d m is sup nurlwi and standard '3, mm 7. Al, Lhc uppm' m n; is pi'ovillul Will] a Hang a,

W3ilflf or guslgc! i). and 2 WM which by m agin: tbc inir-rvcnlwn H 4 will) lill! washer 5), ll-(ll l we lid. air Llglll. i'cailily r nmvablc, on the The lid is prm'iilmi la. opening 14, of a prcaivicz'nzirwil l gm Fatah-zed iiuly 39, 190?.

L aclad belt 20, awanged e in the points to the 3 1i lent; the

m ari'ang s shown in Fig. 2.

v held air tight; upon the iia l2 and 1ge l lihcrcfam, by ionscning Williin the ruzicpiaclc i, are 2111i. 26, of (iQi V i i pectivmy upon a" iOCQPliLii'iUS are held. apari; and m, with respect. to cachothcr by var is 27, and horizontal di lanc0 pieces 28.

' the nested receptacles 23, 2 25 and 26, the in- L )1 01 the 4, 1'5 idecl into chambers I 29, 30, 31 and 32, of which the chamber 23, forming 51c .mztcrmosl; of chambers, is adapted to receive a n0n-con-\.u.cting substance or maficrial of heat or cold, such as charcoal, the chamber 30, a hygrw pic material, such as"sa1t or analogous matter, the chamber 31, a freezing medium, such as ice in lump form, while the chamber 32, remaining ompfiy for a purpose to be presently explained. The innermost receptacle 26, of the said receptacles sun'oumL ml ecuvcly by layers of charcoal, salt, ice and air, is adapted to rec ivc the liquid to be congealed 01' irozcn, fm' instancn aid. receptacle is iillcd. with \a'aLiH l0 inc-a1 the c min. 34, which an? adapted to gjui'ai it Of tlic inscr of an implement. by means of the receptacle 4, after the cap 17, has b00n disen gag-gull from the lid 12, thereof.

'l'hc chamber 29, containi g charcoal. or other insw lating matcrial is closcd at the upper end bya cap 35, and the cl'xambcrjil, containing ice is closed by a perc ratcll cap or wire gauze 36. Thus the chambers 30, A and 2"", as will as the receptacle 26, containing the arc at bcii' uppci' cmls at; all times, in opcn (mnlmmii-ation :1 chamber iJ formed by the lid l2, and my ll. l the chamber 37, ticrminatcs the tubular Z 1'ii( l1 539, (:l' a l is :zccurcd "ably ainvlal iullin i ccnncciml with vacuum pump 4]. of an suitable well known cmislructimi. The piston-rods ii 3, 0? the pump, arc iormc l into racks which engaged by gear-Wheel 43, and 05c 'labcil bya link 44, ci'ank-arm i5, and a handle /er i6, pivoted h 4 point 47, m the recepta le W110i: ibe pump by means of tlic :ever 46, the cm the chambers 37, 1d 31, and a vamum is i-i'cataiiand iiiai 'ncd ii: the mcepwulc 4. The vacuum produce? in the i. cptacie 4', and Lill. absorption of .iiG "Japan" by the ml; in (he chamber 30, causes a rapid evapm-alirm of the liquid in the W001 ecdii) lowe'r the rlcmpcmturc ul' H10 Tim ice 2 in speedily Liv/wing by being exliaustcd lmm =JFQ, and the a l;

ice ivy liiiing the rec ptacle Eli,

lli'e'ice chinnbei '31, passes through openings 33, in the receptacle 25, in the form f diminutive streams and directed agrrinnt the bottom and surfaces of lhe recep- Lucie 2li, L0 thereby reduce the temperature of euch wall which Mil s on Lhe'liquid oi the receptacle to mpi lly freeze or uongeul the seine therein into aclear crystal-ii ke block ii ice. This is still further advanced by the contents oi the chamber 3], permitting the freezing ieinpemiure thereof in act upon the bottom and all snrl'iiccs'ni the receptacle 26, "he water time rupidiy frozen in lln i'('-(-eplncle '36, will form therein a cake 0i crystal-like ice [1170 from nil needles in slnwly melting when exposed in the influence oia nor mnl lmnpernlnre. In orrler in pci'initpf I'QllllY (llfiillk gkigemcnl of llic (up l7,lri ni the lirl l2 to remove the (nil oi the freezing rewilh an addilienal air block or lillbbiQS vq'ilucle 4, 1110 same is pi'ui'iilwl i-m'k 48, which by b ing :u'lnzilml insl'unlly relieves the vncnunn 'lhv instliul ine layer (If illliflllfill or ell/1m material-l in the (-liuzniwi' 251 living :1 nrinwiindulziin of ll(':\l. :issisie in the rapidly wwcring ml the len'ipcrniixre nl' lln' (rm-Zing rm'i-pi; i -le l, and llnlsllic liver l mngvulin: .nl the water in IlullkllllillllEZG, is zu'mnr 'eemo time than was hitherto pessihle in vacuum Having iahui described the nature and objects of my invention; What I claim as new and desire to secure by Letters Patent is:-

In an ice making machine, a receptacle havin :1 lid and forming a vacuum, chamber, vessels arranged in said re- (:vptnclv, supporting means respectively interposed i)(!- tween said receptacle and iusululing material, r hygroscoplc malierial and matter to nssisl. in the lowering efiihe temperature, a vessel adapted 10 contain liquid to be frozen arranged within the innermnl ui mid vessels and adapted i'o-form inconjunction therewith a cliamhcr'in commnnicii'iinn with the vacuum chamber furmcdby said receptacle, vessels and lid of said iecvpiuclc, and the inuerniost of said yessels having openings :ulupied m permit of free action ofi ill vessel containing ihe liquid.

JAMES R. JOHNSTON 'iinnsscril .l. \l'iim nn Mommies, 'lnmms ll. Sin'rn.

said mutter upon .vessels t0 form chambers therelwlween, sai'ichambers adapted to respectively contain an 

